starts but delivers empty page

2019-07-28 13:22:30 +02:00
parent 7f2c900862
commit 68695ea89b
15 changed files with 39 additions and 202 deletions
@@ -0,0 +1,76 @@
+import { parseSubResponse, parseResponse } from "frontblock-generic/Types";
+var bsock = require('bsock')
+
+/**
+ * Dynamic library to communicate with FrontblockService remotely
+ *
+ * This will be automatically injected into the webpages served by FrontblockService
+ * Will ask it's service for available RPCs and parse them into methods of this object
+ * for convenient access.
+ */
+export class FrontblockConfigLib{
+    private socket
+    
+    constructor(){
+        this.socket = bsock.connect(20000, 'localhost', false/*tls*/)
+        this.init()
+    }
+
+    // need this-context for eval-magic below 
+    // DO NOT REMOVE. They're not really unused
+    private parseSubResponse = parseSubResponse
+    private parseResponse = parseResponse
+
+    private async init(){
+        const info = await this.info()
+        for (const i of info) {
+            let f: any
+            switch (i.info.type) {
+                case 'call':
+                    f = this.callGenerator(i.name, i.args)    
+                    break                
+                case 'hook':
+                    f = this.hookGenerator(i.name, i.args)                    
+                    break
+                case 'unhook':
+                    f = this.unhookGenerator(i.name, i.args)                    
+                    break
+            }
+            if(this[i.owner] == null)
+                this[i.owner] = {}
+            this[i.owner][i.name] = f
+            this[i.owner][i.name].bind(this)
+        }
+    }
+
+    async info(){
+        return await this.socket.call('info')
+    }
+
+    private callGenerator(fnName, fnArgs): Function{
+        return eval( '( () => async ('+fnArgs+') => { return await this.socket.call("'+fnName+'", '+fnArgs+')} )()' )
+    }
+
+    private hookGenerator(fnName, fnArgs): Function{
+        return eval( `( () => async (`+fnArgs+(fnArgs.length!==0?",":"")+` callback) => {
+                            const r = await this.socket.call("`+fnName+`", `+fnArgs+`)
+                            const res = await this.parseSubResponse(r);
+                            if(res.uid != null){
+                                this.socket.hook(res.uid, callback)
+                            }
+                            return res
+                        } )()` )
+    }
+    private unhookGenerator(fnName, fnArgs): Function{
+        return eval( `( () => async (`+fnArgs+`) => {
+                            const r = await this.socket.call("`+fnName+`", `+fnArgs+`)
+                            const res = await this.parseResponse(r)
+                            if(res.uid != null)
+                                this.socket.unhook(res.uid)
+                            return res
+                        } )()` )
+    }
+
+}
+
+window['fb'] = new FrontblockConfigLib()